<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>呜呼哀哉</title>
  <style>
    h1 {
        padding: 10px 20px;
        background: #e775eb;
    }
    p.ridge{
        padding: 10px 15px 20px 25px;
        background: #ffb6c1;
        border-style: ridge;
        border-width:5px;
        border-color:#5a4cf8;

    }
  </style>
</head>
<body>
    <h1>CSS盒子实验</h1>
    <p class="ridge">其实我感觉我没学会</p>
    <p class="ridge"><strong>但是</strong> ，我还是要交作业。</p>
</body>
</html>